In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].

Long the domain of web sites and memes, the animated gif may soon be coming to a message near you. A new app makes creating the images simple on a smartphone - and lets you send them using Facebook Messenger. Camoji is one of the first apps to take advantage of Facebook's decision to open up Messenger, revealed at its recent f8 conference in San Francisco. Camoji allows people to add Instagram style filters to their images before sharing them. The GIFs are created in the Camoji app. Once downloaded, users simply tap on the shutter icon to record an animated gif that is up to 2 seconds long.One of first apps to take advantage of Facebook's new open approachAllows users to send and record gifs inside Messenger appInstagram style filters can be added to gif images 
 Question:'Facebook used to be this single blue app and it did a lot of different things, now _ is a family of apps,' he said.
Facebook